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Japan Weekly Snow Roundup #298
Weekly Snow News for Japan, updated 21 January 2026: Japan leads global snowfall again, with 1m (40") in 72 hours on Hokkaido and heavy, cold powder spreading into Honshu.
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Karuizawa Prince Hotel at 1048 m altitude
Issued by Snow-Forecast.com at: 8 pm (local time) / 23 Jan 2026
Now
Saturday 24 | Sunday 25 | Monday 26 | Tuesday 27 | Wednesday 28 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | | | |  |  |  | | | |  | | | |
clear | snow shwrs | light snow | snow shwrs | snow shwrs | snow shwrs | clear | clear | some clouds | some clouds | clear | some clouds | snow shwrs | cloudy | cloudy | some clouds | |
km/h | ||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||
— | — | 2 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -4 | -2 | -4 | -5 | -6 | -7 | -9 | -5 | -4 | -5 | 0 | 2 | -2 | -4 | -4 | -7 |
min °C | -5 | -4 | -5 | -8 | -7 | -8 | -9 | -8 | -6 | -6 | -3 | -1 | -6 | -5 | -6 | -7 |
-11 | -10 | -10 | -14 | -15 | -17 | -18 | -14 | -8 | -8 | -6 | -5 | -12 | -11 | -11 | -12 | |
63 | 61 | 72 | 74 | 72 | 53 | 68 | 65 | 53 | 67 | 42 | 55 | 84 | 68 | 58 | 61 | |
300 | 550 | 550 | 0 | 150 | 250 | 0 | 0 | 500 | 0 | 500 | 1250 | 350 | 400 | 600 | 0 | |
 | — | 6:52 | — | — | 6:52 | — | — | 6:50 | — | — | 6:50 | — | — | 6:50 | — | — |
 | — | — | 5:01 | — | — | 5:02 | — | — | 5:04 | — | — | 5:05 | — | — | 5:06 | — |
Next 0-3 days weather summary:
A dusting of new snow. Temperatures will be below freezing (max -2°C on Sat morning, min -9°C on Sun night). Winds decreasing (fresh winds from the WNW on Sun afternoon, calm by Mon afternoon).
Next 4-6 days weather summary:
Mostly dry. Freeze-thaw conditions (max 2°C on Tue afternoon, min -7°C on Wed night). Wind will be generally light.
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Snow Radar
Latest snow reports near Karuizawa Prince Hotel:
Karuizawa Prince Hotel Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 1 cm |
| Last snowfall: | 21 Jan 2026 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Nagano are reporting: powder (3) / good piste (3)
Snow History
Week 4 of January has on average:
1.1 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.2 | Powder days Fresh snow, limited sun, any wind. |
2.2 | Bluebird days Average snow, mostly sunny, light wind. |
Karuizawa Prince Hotel Forecast Snowfall
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Other resorts in Japan - Nagano are reporting: powder (3) / good piste (3)
The above table gives the weather forecast for Karuizawa Prince Hotel at the specific elevation of 1048 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Karuizawa Prince Hotel. To access the weather forecasts for the other elevations, use the tab navigation above the table. For a wider view of the weather, check out the Weather Map of Japan.
Click here to read further information on freezing levels and how we forecast our temperatures.
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